.sudden-page article{background:var(--paper)}.sudden-hero{background:var(--white);grid-template-columns:minmax(0,1fr) 340px;gap:8vw;padding:clamp(72px,9vw,132px) clamp(24px,9vw,144px) 96px;display:grid}.sudden-hero h1{max-width:940px;font:600 clamp(51px,6.5vw,92px)/.94 var(--font-serif),serif;letter-spacing:-.045em}.hero-lead{color:#506468;max-width:760px;margin:34px 0;font-size:clamp(17px,1.4vw,20px);line-height:1.75}.urgent-card{background:var(--navy);color:#fff;align-self:end;padding:34px;box-shadow:0 28px 70px #062c3929}.urgent-card span{color:#8ed4e3;letter-spacing:.2em;font-size:10px;font-weight:800;display:block}.urgent-card strong{font:600 29px/1.08 var(--font-serif),serif;margin:18px 0 12px;display:block}.urgent-card p{color:#d5e0de;margin:0;font-size:14px;line-height:1.75}.signal-strip{background:var(--white);border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);padding:0 clamp(24px,9vw,144px);display:grid}.signal-strip>div{border-right:1px solid var(--line);padding:42px 38px}.signal-strip>div:first-child{border-left:1px solid var(--line)}.signal-strip span,.cause-grid span{color:var(--sage);letter-spacing:.14em;font-size:10px;font-weight:800}.signal-strip strong{font:600 23px var(--font-serif),serif;margin:12px 0 9px;display:block}.signal-strip p{color:#5d6e70;margin:0;font-size:13px;line-height:1.65}.content-section,.causes-section,.doctor-section{border-top:1px solid var(--line);grid-template-columns:minmax(270px,38%) minmax(0,1fr);gap:8vw;padding:110px clamp(24px,9vw,144px);display:grid}.section-title h2,.treatment-section h2,.covid-section h2,.doctor-section h2{font:600 clamp(40px,4.5vw,64px)/1.04 var(--font-serif),serif;letter-spacing:-.035em;margin:0}.section-copy{max-width:780px}.section-copy>p,.treatment-section>div:last-child>p,.covid-section>div:last-child>p,.doctor-section p,.address-card p{color:#506468;font-size:16px;line-height:1.9}.steps-box{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:1px;margin-top:42px;display:grid}.steps-box div{background:var(--white);align-items:center;gap:16px;padding:22px;display:flex}.steps-box b{background:var(--navy);color:#fff;border-radius:50%;place-items:center;width:31px;height:31px;font-size:11px;display:grid}.steps-box span{font-size:13px;font-weight:700}.treatment-section,.covid-section{background:var(--navy);color:#fff;grid-template-columns:minmax(270px,38%) minmax(0,1fr);gap:8vw;padding:110px clamp(24px,9vw,144px);display:grid}.treatment-section>div:last-child,.covid-section>div:last-child{max-width:780px}.treatment-section>div:last-child>p,.covid-section>div:last-child>p{color:#cbd8d5}.treatment-note{border-left:3px solid var(--sage);background:#ffffff12;padding:26px 28px;margin-top:35px!important}.treatment-note strong{color:#fff}.calculator-section{background:var(--white);padding:110px clamp(24px,7vw,112px)}.calculator-heading{grid-template-columns:minmax(0,1fr) minmax(300px,42%);align-items:end;gap:7vw;display:grid}.calculator-heading .eyebrow{grid-column:1/-1;margin-bottom:-20px}.calculator-heading h2{font:600 clamp(42px,5vw,72px)/1 var(--font-serif),serif;letter-spacing:-.04em;margin:0}.calculator-heading>p:last-child{color:#506468;margin:0;font-size:16px;line-height:1.85}.result-comparison{grid-template-columns:1fr 64px 1fr;align-items:center;max-width:940px;margin:72px auto 48px;display:grid}.result-card{text-align:center;border:1px solid var(--line);min-height:270px;padding:40px}.result-card span{letter-spacing:.16em;font-size:10px;font-weight:800}.result-card strong{font:600 76px/1 var(--font-serif),serif;margin:20px 0 8px;display:block}.result-card p{color:#52676b;max-width:260px;margin:0 auto 12px;font-size:14px;line-height:1.5}.result-card small{color:#728184;font-size:11px}.result-high{background:#e7f2f2;border-color:#49a7bd73}.result-high strong{color:var(--green)}.result-low strong{color:#8b4d48}.comparison-arrow{text-align:center;color:var(--sage);font-size:34px}.screenshots{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:40px;display:grid}.screenshots figure{min-width:0;margin:0}.screenshot-frame{aspect-ratio:2.72;border:1px solid var(--line);background:#f5f5f5;position:relative;overflow:hidden}.screenshot-frame img{object-fit:cover}.screenshots figcaption{color:#657679;margin-top:11px;font-size:12px}.calculator-caution{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:36px;margin-top:38px;padding-top:30px;display:flex}.calculator-caution p{color:#657679;max-width:790px;margin:0;font-size:12px;line-height:1.75}.calculator-caution a{border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.08em;flex:none;padding-bottom:4px;font-size:11px;font-weight:800}.causes-section{background:var(--paper)}.cause-grid{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;display:grid}.cause-grid article{background:var(--white);padding:28px}.cause-grid h3{font:600 25px var(--font-serif),serif;margin:10px 0 8px}.cause-grid p{color:#5c6f72;margin:0;font-size:13px;line-height:1.7}.references-section{background:var(--white);border-top:1px solid var(--line);padding:76px clamp(24px,9vw,144px)}.references-section h2{font:600 40px var(--font-serif),serif;margin:0 0 30px}.references-section ol{max-width:1000px;margin:0;padding-left:20px}.references-section li{color:#5c6f72;margin:0 0 15px;padding-left:8px;font-size:12px;line-height:1.7}.references-section a{text-underline-offset:3px;text-decoration:underline}.doctor-section{background:var(--paper)}.doctor-role{margin-top:28px;color:var(--ink)!important}.address-card{background:var(--white);border:1px solid var(--line);align-self:start;padding:38px;box-shadow:0 25px 70px #062c3914}.address-card h3{font:600 31px/1.1 var(--font-serif),serif;margin:0 0 22px}.address-card p{margin:4px 0;font-size:14px}.address-card .primary{color:#fff;margin-top:26px;font-size:11px;line-height:1.3;display:inline-block}@media (max-width:900px){.sudden-hero,.content-section,.treatment-section,.causes-section,.covid-section,.doctor-section,.calculator-heading{grid-template-columns:1fr}.urgent-card{max-width:520px}.signal-strip{grid-template-columns:1fr}.signal-strip>div,.signal-strip>div:first-child{border-left:1px solid var(--line);border-bottom:1px solid var(--line)}.calculator-heading .eyebrow{grid-column:auto;margin-bottom:0}.screenshots{grid-template-columns:1fr}.calculator-caution{flex-direction:column;align-items:flex-start}.content-section,.treatment-section,.causes-section,.covid-section,.doctor-section{gap:42px;padding:80px 24px}.calculator-section{padding:80px 24px}}@media (max-width:600px){.sudden-hero{padding:66px 24px}.sudden-hero h1{font-size:48px}.urgent-card{padding:28px}.steps-box,.cause-grid{grid-template-columns:1fr}.result-comparison{grid-template-columns:1fr;margin-top:50px}.comparison-arrow{padding:8px;transform:rotate(90deg)}.result-card strong{font-size:66px}.section-title h2,.treatment-section h2,.covid-section h2,.doctor-section h2{font-size:41px}.calculator-heading h2{font-size:43px}.screenshots{gap:20px}.screenshot-frame{aspect-ratio:1.65}.screenshot-frame img{object-fit:cover;object-position:left top}}